dox/Rendering/vtkGraphMapper.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkGraphMapper.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef __vtkGraphMapper_h
#define __vtkGraphMapper_h

#include "vtkMapper.h"

#include "vtkSmartPointer.h"    // Required for smart pointer internal ivars.

class vtkActor2D;
class vtkMapArrayValues;
class vtkCamera;
class vtkFollower;
class vtkGraph;
class vtkGlyph3D;
class vtkGraphToPolyData;
class vtkIconGlyphFilter;
class vtkCellCenters;
class vtkPolyData;
class vtkPolyDataMapper;
class vtkPolyDataMapper2D;
class vtkLookupTable;
class vtkTransformCoordinateSystems;
class vtkTexture;
class vtkTexturedActor2D;
class vtkVertexGlyphFilter;
class vtkViewTheme;



class VTK_RENDERING_EXPORT vtkGraphMapper : public vtkMapper 
{
public:
  static vtkGraphMapper *New();
  vtkTypeMacro(vtkGraphMapper,vtkMapper);
  void PrintSelf(ostream& os, vtkIndent indent);
  void Render(vtkRenderer *ren, vtkActor *act);
  

  void SetVertexColorArrayName(const char* name);
  const char* GetVertexColorArrayName();
  

  void SetColorVertices(bool vis);
  bool GetColorVertices();
  void ColorVerticesOn();
  void ColorVerticesOff();
  

  void SetScaledGlyphs(bool arg);
  vtkGetMacro(ScaledGlyphs,bool);
  vtkBooleanMacro(ScaledGlyphs, bool);
  

  vtkSetStringMacro(ScalingArrayName);
  vtkGetStringMacro(ScalingArrayName);
  

  void SetEdgeVisibility(bool vis);
  bool GetEdgeVisibility();
  vtkBooleanMacro(EdgeVisibility, bool);
  

  void SetEdgeColorArrayName(const char* name);
  const char* GetEdgeColorArrayName();
  

  void SetColorEdges(bool vis);
  bool GetColorEdges();
  void ColorEdgesOn();
  void ColorEdgesOff();
  

  vtkSetStringMacro(EnabledEdgesArrayName);
  vtkGetStringMacro(EnabledEdgesArrayName);
  

  vtkSetMacro(EnableEdgesByArray,int);
  vtkGetMacro(EnableEdgesByArray,int);
  vtkBooleanMacro(EnableEdgesByArray,int);


  vtkSetStringMacro(EnabledVerticesArrayName);
  vtkGetStringMacro(EnabledVerticesArrayName);
  

  vtkSetMacro(EnableVerticesByArray,int);
  vtkGetMacro(EnableVerticesByArray,int);
  vtkBooleanMacro(EnableVerticesByArray,int);


  void SetIconArrayName(const char* name);
  const char* GetIconArrayName();
  
  void AddIconType(char *type, int index);

  void ClearIconTypes();


  void SetIconSize(int *size);
  int *GetIconSize();

  void SetIconAlignment(int alignment);


  vtkTexture *GetIconTexture();
  void SetIconTexture(vtkTexture *texture);


  void SetIconVisibility(bool vis);
  bool GetIconVisibility();
  vtkBooleanMacro(IconVisibility, bool);


  vtkGetMacro(VertexPointSize,float);
  void SetVertexPointSize(float size);
  

  vtkGetMacro(EdgeLineWidth,float);
  void SetEdgeLineWidth(float width);
  
  virtual void ApplyViewTheme(vtkViewTheme* theme);

  void ReleaseGraphicsResources(vtkWindow *);

  unsigned long GetMTime();


  void SetInput(vtkGraph *input);
  vtkGraph *GetInput();
  

  virtual double *GetBounds();
  virtual void GetBounds(double* bounds)
    { Superclass::GetBounds(bounds); }


  vtkGetObjectMacro(EdgeLookupTable, vtkLookupTable);
  vtkGetObjectMacro(VertexLookupTable, vtkLookupTable);

protected:
  vtkGraphMapper();
  ~vtkGraphMapper();
  

  vtkGetStringMacro(VertexColorArrayNameInternal);
  vtkSetStringMacro(VertexColorArrayNameInternal);
  vtkGetStringMacro(EdgeColorArrayNameInternal);
  vtkSetStringMacro(EdgeColorArrayNameInternal);
  char* VertexColorArrayNameInternal;
  char* EdgeColorArrayNameInternal;

  char* EnabledEdgesArrayName;
  char* EnabledVerticesArrayName;
  int EnableEdgesByArray;
  int EnableVerticesByArray;

  vtkGetStringMacro(IconArrayNameInternal);
  vtkSetStringMacro(IconArrayNameInternal);
  char* IconArrayNameInternal;

  //BTX
  vtkSmartPointer<vtkGlyph3D>                    CircleGlyph;
  vtkSmartPointer<vtkGlyph3D>                    CircleOutlineGlyph;
  
  vtkSmartPointer<vtkGraphToPolyData>            GraphToPoly;
  vtkSmartPointer<vtkVertexGlyphFilter>          VertexGlyph;
  vtkSmartPointer<vtkIconGlyphFilter>            IconGlyph;
  vtkSmartPointer<vtkMapArrayValues>                   IconTypeToIndex;
  vtkSmartPointer<vtkTransformCoordinateSystems> IconTransform;
  
  vtkSmartPointer<vtkPolyDataMapper>    EdgeMapper;
  vtkSmartPointer<vtkPolyDataMapper>    VertexMapper;
  vtkSmartPointer<vtkPolyDataMapper>    OutlineMapper;
  vtkSmartPointer<vtkPolyDataMapper2D>  IconMapper;
  
  vtkSmartPointer<vtkActor>             EdgeActor;
  vtkSmartPointer<vtkActor>             VertexActor;
  vtkSmartPointer<vtkActor>             OutlineActor;
  vtkSmartPointer<vtkTexturedActor2D>   IconActor;
  //ETX

  // Color maps
  vtkLookupTable* EdgeLookupTable;
  vtkLookupTable* VertexLookupTable;

  virtual void ReportReferences(vtkGarbageCollector*);

  // see algorithm for more info
  virtual int FillInputPortInformation(int port, vtkInformation* info);

private:
  vtkGraphMapper(const vtkGraphMapper&);  // Not implemented.
  void operator=(const vtkGraphMapper&);  // Not implemented.
  
  // Helper function
  vtkPolyData* CreateCircle(bool filled);
  
  float VertexPointSize;
  float EdgeLineWidth;
  bool ScaledGlyphs;
  char* ScalingArrayName;
};

#endif